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Accessible Images Using Semantic HTML : Building Accessible Websites with Native HTML Part 5 of 5

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A Guide to Creating Accessible and Meaningful Web Content

Welcome back to our series on building accessible websites with native HTML!

In the previous parts of this series, we discussed the importance of creating accessible websites, the basics of HTML structure, using ARIA for accessible widgets, creating accessible links, and using semantic HTML to create accessible forms. In this final part, we will discuss how to create accessible images using semantic HTML.

Building accessible websites is crucial for ensuring that everyone, including those with disabilities, can access and use the content on the web. One crucial aspect of accessibility is making sure that images are accessible to those who use assistive technologies such as screen readers. In this blog post, we will explore how to create accessible images using semantic HTML.

Semantic HTML  is the practice of using HTML elements to convey the meaning and structure of content on a webpage. By using semantic HTML, we can make our websites more accessible, easier to maintain, and more understandable for search engines.

Alt text for Images

One of the most important elements of making images accessible is providing appropriate alt text. Alt text is a brief description of the image that can be read by screen readers to convey the meaning of the image to those who cannot see it.

When writing alt text, it is important to be descriptive, concise, and accurate. The alt text should convey the purpose and content of the image, without being too long or too short. Avoid using phrases like “image of” or “picture of,” as this information is already conveyed by the screen reader. Instead, focus on the important details of the image.

Here’s an example of how to write alt text for an image of a cat:

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<img src="cat.jpg" alt="A gray and white cat sitting on a windowsill, looking out the window." />

In this example, the alt text provides a brief but accurate description of the cat and its surroundings.

Decorative Images

Not all images on a webpage need to have alt text. Decorative images, such as background images or decorative borders, do not convey any information and do not need alt text. Instead, we can use the aria-hidden attribute to tell screen readers to ignore the image.

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<div style="background-image: url(decorative-background.jpg);" aria-hidden="true"></div>

In this example, the aria-hidden attribute tells the screen reader to ignore the background image, as it does not convey any information.

Figures and Captions

When using images to convey information, such as graphs or charts, we should use the figure and figcaption elements to provide additional context.

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The figure element is used to group the image and its caption, while the figcaption element provides a brief description of the image.

<figure><img src="chart.jpg" alt="A bar chart showing sales data for the year." /><figcaption>A bar chart showing sales data for the year.</figcaption></figure>

In this example, the figure element groups the image and its caption, while the figcaption element provides a brief description of the chart.

In this blog post, we’ve explored how to create accessible images using semantic HTML.

By providing appropriate alt text, using the aria-hidden attribute for decorative images, and using the figure and figcaption elements for images that convey information, we can make our websites more accessible to those who use assistive technologies.

Remember, accessibility is important for everyone, regardless of ability. By using semantic HTML and following accessibility best practices, we can ensure that our websites are accessible to all users.

For more information on why web accessibility is important in general, you can check out my previous blog post here.

For further information on how to make your product accessible to your audience, contact our experience design experts, check out our Accessibility IQ for your website, download our guide Digitally Accessible Experiences: Why It Matters and How to Create Them, read more from our UX for Accessible Design series.

So, What Comes Next?

In our next installment, I’ll be continuing our exploration of what is digital accessibility and digital accessibility by delving into the different types of testing that can help ensure your website is inclusive and easy to use for all users. Accessibility testing is a critical component of the web development process, and it’s essential to choose the right types of testing to ensure that your website is accessible to everyone. I’ll be discussing the different types of testing, including automated testing, manual testing, and user testing, and examining the benefits and limitations of each approach. I’ll also provide tips and best practices for creating an effective testing strategy and discuss the latest tools and resources available to help you test the accessibility of your website. So stay tuned for our next post, and learn how to ensure that your website is accessible and inclusive for all users through effective testing techniques.

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Gulen Yilmaz

Highly dedicated Web Accessibility Consultant who is driven by a passion for contributing to team success. With a strong work ethic, meticulous attention to detail, excellent communication skills, and outstanding collaborative abilities, she consistently goes above and beyond to ensure project success. Her cross-functional capabilities enable her to effectively work across various roles and departments. Additionally, she holds a CPACC certification in the field of accessibility, further validating her expertise. With over 2 years of experience working on accessibility teams, she has honed her skills in different types of testing and has gained proficiency in analysis, design, development, implementation, enhancement, and accessibility testing of applications within the IT industry. Her unwavering commitment to accessibility and her extensive experience make her an invaluable asset to any team.

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